Stand-Mount/Bookshelf Loudspeaker with Klarity Material technology.

  • 1″ Soft Dome Tweeter (Woven Polyester)
  • 6-1/2″ Klarity™ Woofer (Polypropylene and Mica)
  • Bass Reflex Design (Rear Port)
  • Recommended Amplifier Power: 20-120 watts
  • Dual Five-Way Binding Post Speaker Terminals Allow Bi-Wiring and Bi-Amping
  • Removable Grilles

Still compact but with increased cabinet volume and driver size for even more potency, the Wharfedale DIAMOND 12.2 offers a little more from a traditional standmount (or bookshelf) speaker format and embodies the history and performance values of the Wharfedale DIAMOND series. Perfect for larger rooms and more powerful 2-channel hi-fi systems, the DIAMOND 12.2 features a High-performance 150mm (6.5”) Klarity driver for extended, tight bass, and a superb 25mm (1”) woven polyester dome tweeter for open and smoothly extended high frequencies.

Diamond 12 Series:

For many decades, Wharfedale has been famous for fusing even-handed neutrality and transparency with captivating clarity and expression. The Wharfedale DIAMOND 12 embodies that sonic goal. The DIAMOND 12 series represents affordable, authentic hi-fi loudspeakers that truly capture the spirit of music, whatever you play – from rock to classical, jazz to electronica – whilst conveying the recording with truth and accuracy, as all great ‘hi-fi’ should. Developed in collaboration with Karl-Heinz Fink – one of the most successful loudspeaker designers on the planet. Classic DIAMOND price points, industrial design that’s cool and contemporary yet still distinctly Wharfedale, and sound that delivers, yet another, new ‘budget’ benchmark through exceptional acoustic design and engineering.

Klarity Material

NEW Klarity™ cone material, formulated from a blend of Polypropylene and mica adds stiffness to reduce flexing, enabling a lightweight cone with high rigidity, low colouration and lightning-fast response. The Klarity™ cone is fitted with a low-damping surround, thereby achieving both low colouration and expressive dynamics. By simulating many different cone shapes and adding ribs to provide further stiffening, a flat response curve was achieved without resorting to a high-damping surround, thereby striking the ideal balance.

Woofers

A precision-made magnet system with an aluminium compensation ring to minimise the effect of variations in inductance as the voice coil travels. This contributes to an absence of distortion and intermodulation generated by the ‘motor system’. The voice coil is wound on a high-power epoxy/glass fibre bobbin highly unusual in speakers at this price level. This has the advantage of not adding eddy currents and delivering greater power handling than an aluminium bobbin, whilst also being much stiffer than the Kapton type associated with this price-class.

Tweeters

The 25mm dome is made from a woven polyester film with a high-loss coating to deliver open and smoothly extended high frequencies. The magnet system and the front plate have been optimised for wide dispersion and uncompressed behavior. The front plate is flat and exposes the dome as much as possible; only a very short duct on the front plate balances the acoustic load and improves the SPL (sound pressure level) measurement.

Crossover

The crossover network uses an acoustic LKR 24dB topology. This includes air-core inductors of the type more commonly found in high-end speakers, selected because they produce the lowest distortion of all inductor types. As the resistance of the coil is higher than a standard laminated steel or ferrite core inductor, the magnetic structure of the mid/bass driver has been modified to compensate, resulting in fast, clean bass with no distortion from the inductor.

Design

The DIAMOND 12’s rear-ported enclosure is precisely sized so that the internal volume works in harmony with the drive unit system to deliver the desired sonic result. A multi-layered sandwich design subdues the identifiable characteristics of the cabinet’s ‘sound’. Even the resonant properties of the glue between the layers was measured to determine the optimum combination. Inside the cabinet, Intelligent Spot Bracing connects opposite walls with a specific form of wood brace to achieve optimal reduction of cabinet resonance. These braces are precisely modeled by computer simulation to improve upon the commonplace ‘figure of eight’ brace, which may simply transfer resonance from one wall to another.

Tech Specs:

Enclosure type bass reflex
Transducer complement 2-way
Bass driver 6.5″(150mm) advanced PP Cone
Treble driver 1″(25mm) Textile Dome
AV shield No
Sensitivity(2.83V @ 1m) 88dB
Recommended amplifier power 20-120W
Peak SPL 96dB
Nominal impedance 8Ω Compatible
Minimum impedance 4.0Ω
Frequency response(+/-3dB) 50Hz ~ 20kHz
Bass extension(-6dB) 43Hz
Crossover frequency 2.0kHz
Cabinet Volume (in litres) 11.8L
Dimensions ( H x W x D ) 335 x 200 x (285+28) mm
Net weight 8.2kg/pcs

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